VIVID - Fluorescent - Coarse YOX

General Characteristics Physical Characteristics
Name Yttrium Oxide:Eu Coarse Body Colour White
Chemical Formula Y2O3:Eu Specific Gravity 5.00
Application Red component triband phosphor mix for compact fluorescent lamps (CFL) Particle Size Distribution By Laser Diffraction (Sympatec - HELOS)
Processing Stirrer or Ball Mill » fraction £ 1.8 µm £ 6.0%
Suspension Type Butyl acetate or Water » fraction £ 12.5 µm 55.0 ± 12%
Packaging 35 kg in 50 ltr steel drum » fraction £ 25.0 µm ³ 90.0%
    Crystal Structure Bixbyite
Optical Characteristics of Fluorescent - Coarse YOX
—————— 254 nm excitation —————— —————— C.I.E. Chromaticity Coordinates ——————
» Quantum efficiency 84% » Powder x = 0.643       Y = 0.344
» UV absorption 81% » Lamp TLD 36W x = 0.575       Y = 0.326
» Wavelength at peak 612 nm    
» Bandwidth (50%) 2 nm —————— Lumen Output 100h TLD (36W) ——————
» Excitation peak 233 nm » Nominal 2574 lm

 

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